An observation on dam-heel crack for studying the abnormal sudden change of uplift pressure and seepage flow of blocks close to the round corner of right bank is also introduced.

对右岸转弯坝段扬压力和渗流量陡涨陡落的异常情况进行了坝踵开裂试验观测。

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By use of the principles of gray relative degree and fuzzy cluster analysis, the observed data of uplift pressure at each observation points of the Xin anjiang Dam foundation are analyzed.

利用时间序列方法，分析去除确定性部分后的残差序列，提取其中的有规律成分作为预报时的补偿项，形成叠合模型，进行建筑物观测资料的分析。

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